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Which of the following represents electr...

Which of the following represents electronic configuration of alkali metals.

A

`(n-1)s^(2)p^(6)ns^(1)`

B

`(n-2)s^(2)p^(6)d^(10)ns^(1)`

C

`(n-1)s^(2)p^(6)np^(1)`

D

`(n-1)s^(2)p^(6)d^(10)ns^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
The general electronic configuration of alkali metals is `(n-1)s^(2)p^(6)ns^(1)`
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Knowledge Check

  • Which of the following represents the electronic configuration of d-block elements?

    A
    `(n-1)s^(1-2)nd^(n-10)`
    B
    `(n-1)d^(n-10)ns^(0-2)`
    C
    `(n-1)d^(n-10)ns^(2)np^(4)`
    D
    `(n-1)p^(4)ns^(2)`

  • Which of the following represents electronic mass :

    A
    `9.1 xx 10^(-31) kg. `
    B
    `9.1 xx 10^(-18) kg`.
    C
    `9.1 xx 10^(-1)g`
    D
    `1.59 xx 10^(-10)g`

  • Which of the following is a correct electronic configuration of sodium ?

    A
    2,8
    B
    8,2,1
    C
    2,1,8
    D
    2,8,1
    • OMEGA PUBLICATION-THE S-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS MCQ.s
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    2. What is kharasch effect?

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    3. In general, the melting and boiling point of transition metals

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    4. The element of group I are called alkali metals because

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    5. which reaction is used for the detection of unsaturation in an organic...

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    6. What is allylic halogenation?

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    7. In the reaction M+O(2) to MO(2) (superoxide), the metal M is

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    8. A solution of sodium metal in liquid ammonia acts as a strong reducing...

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    9. The strongest reducing agent among all the halide ions is ...............

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    10. Do you find that all living beings need the same kind of food?

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    11. What is the sum of (n + l) value of 4d.

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    12. What is the electronic configuration of argon.

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    13. What is the electronic configuration of chlorine atom.

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    14. Alkali metals give colour to Bunsen flame due to

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    15. Lithium shows diagonal relationship with

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    16. IUPAC name of element having atomic number 108 is .......................

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    17. Castner-Kellner cell is used for the manufacture of

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    18. Alkali metals are good reducing agents because they easily

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    19. Which one of the following alkali metals is used in photoelectric cell...

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    20. Write name of element with the following electronic configuration : 1...

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